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Finding the Fourth Proportional to 619, 854.10 and 363.44

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Solution

The fourth proportional to 619, 854.10 and 363.44 is: 501.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    619 : 854.10 = 363.44 : x
  2. Step 2: Convert to fraction form
    619/854.10 = 363.44/x
  3. Step 3: Cross multiply
    619x = 854.10 × 363.44
  4. Step 4: Simplify right side
    619x = 310,414.10
  5. Step 5: Solve for x
    x = 310,414.10/619
  6. Step 6: Final answer
    x = 501.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.